<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="http://www.yanhuangxueyuan.com/threejs/build/three.js"></script>
</head>
<body>
<script>
  console.log('打印场景API', THREE.Scene)
</script>
</body>
</html>